juniper show interface up down

This is only a display issue and has no funtionality impact as the port is actually down. Is it morally wrong to use tragic historical events as character background/development? Would you like to mark this message as the new best answer? Thanks for the help!! Show Interfaces; Show Interfaces Detail; Show Interfaces Extensive; Input Errors; Output Errors; . i have two aggregated interfaces with 1 physical interface each. Network port(s) down-juniper-junos - Knowledge - Indeni Community I ran the command keep alive on that interface and the state changed to up/up.. Did any answer help you? analemma for a specified lat/long at a specific time of day? Example config: This thread already has a best answer. After you successfully login to J-Web GUI, J-Web launch pad appears. how the Packet Forwarding Engine is configured. ae0 is always UP and showing protocol eth-switch and ae0 always down, not showing any protocol. Can I have all three? spanning-tree port type edge trunk on port-channel vs physical interface, Juniper Physical Interface Damping Operation. Unlike some other vendors, Juniper rely heavily on log files, rather than just writing to screen. show interfaces summary | Junos OS | Juniper Networks How to skip a value in a \foreach in TikZ? Below is an example of a Physical Interface that is up. (ae0 and ae1) Problem is Is it possible that the other side of the link is not properly responding to the LACP frames? interface irb.161; noc@MX960# show interfaces irb.161 family inet { address 172.17.161.254/24; } noc@MX960# run show route table NOC.inet. [SRX] VLAN interface shows up/down - Juniper Networks If so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. Logical Problem persists if i swap the interfaces ge-0/0/22 and /23 in the configuration and and/or the cables connecting to them. Theyre not like IOS where we can enter term mon and see every syslog entry. Why management interface is always vlan interface and not just physical interface? 1. Usually, I think that would take care of it. (ae0 and ae1). @RonMaupin But, when I config ip address with /31 mask, it become a real p2p link. Both ae0 and ae1 have the same configuration and are in the same vlan: Is it possible that the other side of the link is not properly responding to the LACP frames? T3 media-specific defects that can render the interface unable to pass packets. Addresses stabilize. Are Prophet's "uncertainty intervals" confidence intervals or prediction intervals? BUT as i said, if i switch the cabling, connecting SRX ge-0/0/5 to EX ge-0/0/22 and SRX 5/0/5 to EX 0/0/23, ae1 still remains down. SNMP interface index number. Is there an extra virgin olive brand produced in Spain, called "Clorlina"? How would you say "A butterfly is landing on a flower." If you want to see just the most recent entries, show the log, and pipe it through the 'last' command. Verify that the Physical Interface is up. I then changed it back for the SRX to be passive and made the swtich active and it came up: ae0 up up ae0.0 up up inet 192.168.10.254/24, set interfaces ge-0/0/1 gigether-options 802.3ad ae0set interfaces ge-0/0/2 gigether-options 802.3ad ae0set interfaces ae0 aggregated-ether-options minimum-links 1set interfaces ae0 aggregated-ether-options lacp passiveset interfaces ae0 unit 0 family inet address 192.168.10.254/24, set interfaces ge-0/0/15 ether-options 802.3ad ae4set interfaces ge-0/0/16 ether-options 802.3ad ae4set interfaces ae4 aggregated-ether-options minimum-links 1set interfaces ae4 aggregated-ether-options lacp activeset interfaces ae4 unit 0 family ethernet-switching vlan members VLAN-24set vlans VLAN-24 interface ae4.0. show interfaces detail | Junos OS | Juniper Networks Two physical links, different VLANs, no PO. Thanks guys. Syntax (QFX5130-32CD) Syntax (SRX Series Devices and (vSRX and vSRX 3.0 platforms)) Description Options Additional Information Required Privilege Level Output Fields Sample output for G.fast and Annex J support Sample Output Gigabit Ethernet Sample Output Release Information show interfaces date_range 14-Mar-23 arrow_backward arrow_forward logical interface, the logical interface's index number (which What are the benefits of not using Private Military Companies(PMCs) as China did? 3 0 obj is cable that connected to the local interface, but not connected to the far end switch, will cause that situation? stream if the cable is good, both sides will be down. Juniper switch interface up/down state Has anyone have encountered this : The command "show interfaces ge-0/0/47" shows the interface is up/up. If the interface is saturated, this number increment once for every packet that is dropped by the ASIC's RED mechanism. Go to solution sonph Beginner Options 07-28-2017 02:35 AM - edited 03-05-2019 08:55 AM Hello everyone, I have a problem when operating network system, in our company we used cisco 2960. the logical interface. Drops rev2023.6.27.43513. Am I missing something? This thread already has a best answer. 4 Answers Sorted by: 12 I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". Interface Up/Down logging | Junos OS - Juniper Networks If you're seeing up / down, the most likely causes are: I haven't seen that recently. State of the Show virtual-chassis status From the Type/OS drop-down menu, select Junos SR. From the Version drop-down menu, select your version. remote side of the connection. Log into ask questions, share your expertise, or stay connected to content you value. If Frame Relay Can I just convert everything in godot to C#. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Log into ask questions, share your expertise, or stay connected to content you value. Would you like to mark this message as the new best answer? How would one go about bringing the interface back up, or troubleshooting why it's down? What are the white formations? 1 SSH access to network equipment 2 Juniper 2.1 How to block an IP address 2.2 Operational mode vs Configuration mode 2.3 Rollbacks 2.4 Show diff between two commits 2.5 Edit ACLs for Network ports 2.6 Change an access switch port's VLAN 2.7 Matching hosts with rack numbers 2.8 Check reboot or downtime Are Prophet's "uncertainty intervals" confidence intervals or prediction intervals? Copyright 2020 Elevate Community | Juniper Networks. The launch pad provides a quick view of: Device information such as model number, serial number, hostname, software version, system time, and system up time. The value in this field should Non-persons in a world of machine and biologically integrated intelligences. interface, Index, SNMP ifIndex. Use match with monitor to filter in real-time. I'd propose to use match "" This will strip off some unnecessary stuff. If it does, it is most likely a software bug or possible broken hardware. https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js. Switch interfaces are layer-2 interfaces, but if you can address it, then you have enabled layer-3 and it is a router interface. Why my ae interface Link type is down but the physical interface is up? Why my ae interface Link type is down but the physical interface is up? Options This command has no options. Lldp shows it is directly connected to the router.STP is disabled.No routing, but a default route.Can't reached gateway.No arp to the gateway.Monitor traffic mode only shows the switch is trying to arp the gateway but no reply. The interface will be in up/down state? Network cheat sheet - Wikitech - Wikimedia [EX] How to identify an interface that has flapped - Juniper Networks Why my ae interface Link type is down but the physical interface is up? Why do microcontrollers always need external CAN tranceiver? |2. mismatch timeoutsCount of malformed or short packets that It takes a Problem involving number of ways of moving bead. Sum of the outgoing frame aborts and FCS errors. The whole point of using LACP is to provide a method to drop the AE interface if the remote host is unresponsive, even though we still have physical link (otherwise the system would drop the bundle itself without the need for a supervisory protocol). This number should not increment quickly, increasing, for example, only when the cable is unplugged or the far end system is powered down and up. That method (edited for better filtering) will only work for users logged in via SSH/Telnet, not for a user connected via the console port. Encapsulation How does the performance of reference counting and tracing GC compare? The cofounder of Chef is cooking up a less painful DevOps (Ep. There are some advanced options available though (see the command summary below). Quiz:https://networkdirection.net/labsandquizzes/quizzes/juniper-jncia/monitoring-and-troubleshooting, Lab:https://networkdirection.net/labsandquizzes/labs/jncia-labs/monitoring-and-troubleshooting. encapsulation is configured, the DLCI number of the logical always be 0. packet fails Layer 3 (usually IPv4) sanity checks of the header. Errors I'm new to JunOS and trying to see how i can see, or configure logs for intrface status changes. So whats the best way to do that type of logging to the console? You should explain/justify your conclusion. interface. How do barrel adjusters for v-brakes work? Juniper has the corresponding command to disable/enable interfaces in Junos OS as below - - To Juniper disable interface: root@Juniper# set interfaces ge-0/0/1.0 disable << This is cisco equivalent of "shutdown" - To Juniper enable interface: root@Juniper# delete interfaces ge-0/0/1.0 disable << This is cisco equivalent of "no shutdown" Log into ask questions, share your expertise, or stay connected to content you value. Enterprise Networking -- I wonder what can cause the first line output of the command show interfaces to be: FastEthernet is up, line protocol is down. Finding the root cause of Spanning-Tree recalculations (on Cisco Nexus 9000s). whick menas that keepalives will not be receiver on the far end. The command "monitor stop interface-logs" would turn off the console logging for that file. Click the Software tab. All rights reserved. If you have a Cisco switch, you can test your cabling on the up / down interface like this the following is good tdr output for the command when nothing is connected to the other end of the cable. ae0 up downae0.0 up down inet 192.168.10.254/24. To enable this functionality, we can configure a custom syslog file can log our interface status there. I follow him add the lacp in the EX3300, it works. What command i should use on CLI? 584), Improving the developer experience in the energy sector, Statement from SO: June 5, 2023 Moderator Action, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, arp Requests not Being Answered After Server Move. All rights reserved. Log files are stored in /var/logs. [EX] "ethernet-switching" interface that is down - Juniper Networks Thanks for the help!. updown messages to go to a specific file on the device. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Were looking at all levels and all the facilities. Time when the cause the incoming packet handler to discard the frame as Asking for help, clarification, or responding to other answers. If it does increment quickly (perhaps, 1 every 10 seconds), then something is broken check the cable, the far end system . It only takes a minute to sign up. Does anyone know if there is a way to see the interface status of a port go up or down on the console as you when you plug or unplug an active connections. not ae1, (i will post > show lacp interface output later, cant connect right now,.). Resolution Guide - EX - Verify/Troubleshoot Physical Interface sometimes is the encapsulation mismatch. For more information, please see our For example, a frame with less than 20 bytes of available IP header Last Updated2020-07-01 Description This article explains the reason why vlan interface shows as up/down in SRX firewalls. unreadable. Additional Information Interfaces are always displayed in numerical order, from the lowest to the highest FPC slot number. Solution. It takes a while (generally, less than 1 second) for this counter to stabilize. Thanks guys. Number and rate Would you like to mark this message as the new best answer? I'd like the logs to just be local to the device at the moment (not sent to a syslog server or SNMP trap). Will PVST shut one link down? being used on the physical interface. Product-Group=junos When a port is disabled, the operation state will be shown as Up. what are input errors on the CISCO switch? Specific You can configure LACP on ports in an SRX chassis-cluster, but that is not a RETH interface. The command "monitor stop interface-logs" would turn off the console logging for that file. Reply Reply Privately. Cookie Notice Traceoptions write enties to log files, rather than to the screen, but we can use monitor to see the entries on the screen as well.

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juniper show interface up down